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package com.sun.ejb.containers;

import com.sun.enterprise.container.common.impl.util.ClusteredSingletonLookupImplBase;
import static com.sun.enterprise.container.common.spi.ClusteredSingletonLookup.SingletonType.EJB;
import fish.payara.cluster.DistributedLockType;
import org.glassfish.ejb.deployment.descriptor.EjbDescriptor;
import org.glassfish.ejb.deployment.descriptor.EjbSessionDescriptor;

/**
 * EJB container implementation of clustered singleton lookups
 *
 * @author lprimak
 */
public class ClusteredSingletonLookupImpl extends ClusteredSingletonLookupImplBase {
    private final EjbSessionDescriptor ejbDescriptor;


    public ClusteredSingletonLookupImpl(EjbDescriptor ejbDescriptor, String componentId) {
        super(componentId, EJB);
        this.ejbDescriptor = (EjbSessionDescriptor)ejbDescriptor;
    }

    @Override
    public boolean isDistributedLockEnabled() {
        DistributedLockType distLockType = ejbDescriptor.isClustered()?
                    ejbDescriptor.getClusteredLockType() : DistributedLockType.LOCK_NONE;
        return super.isDistributedLockEnabled() && distLockType != DistributedLockType.LOCK_NONE;
    }

    @Override
    public String getClusteredSessionKey() {
        return ejbDescriptor.getClusteredKeyValue().isEmpty()? ejbDescriptor.getName() : ejbDescriptor.getClusteredKeyValue();
    }

    @Override
    public boolean isClusteredEnabled() {
        return ejbDescriptor.isClustered() && super.isClusteredEnabled();
    }
}
